I should worry you should worry he should worry we should worry you should worry they should worry
V-ing form
I should be worrying you should be worrying he should be worrying we should be worrying you should be worrying they should be worrying
Perfect
I should have worried you should have worried he should have worried we should have worried you should have worried they should have worried
V-ing perfect
I should have been worrying you should have been worrying he should have been worrying we should have been worrying you should have been worrying they should have been worrying
Negation
Simple form
I should not worry you should not worry he should not worry we should not worry you should not worry they should not worry
V-ing form
I should not be worrying you should not be worrying he should not be worrying we should not be worrying you should not be worrying they should not be worrying
Perfect
I should not have worried you should not have worried he should not have worried we should not have worried you should not have worried they should not have worried
V-ing perfect
I should not have been worrying you should not have been worrying he should not have been worrying we should not have been worrying you should not have been worrying they should not have been worrying
Interrogative form
Simple form
should I worry? should you worry? should he worry? should we worry? should you worry? should they worry?
V-ing form
should I be worrying? should you be worrying? should he be worrying? should we be worrying? should you be worrying? should they be worrying?
Perfect
should I have worried? should you have worried? should he have worried? should we have worried? should you have worried? should they have worried?
V-ing perfect
should I have been worrying? should you have been worrying? should he have been worrying? should we have been worrying? should you have been worrying? should they have been worrying?
Interro-negative form
Simple form
should I not worry? should you not worry? should he not worry? should we not worry? should you not worry? should they not worry?
V-ing form
should I not be worrying? should you not be worrying? should he not be worrying? should we not be worrying? should you not be worrying? should they not be worrying?
Perfect
should I not have worried? should you not have worried? should he not have worried? should we not have worried? should you not have worried? should they not have worried?
V-ing perfect
should I not have been worrying? should you not have been worrying? should he not have been worrying? should we not have been worrying? should you not have been worrying? should they not have been worrying?